English verb conjugation
CAN VALIDATE

Regular verb: validate - validated - validated

Affirmation

Simple form	V-ing form
I can validate you can validate he can validate we can validate you can validate they can validate	I can be validating you can be validating he can be validating we can be validating you can be validating they can be validating
Perfect	V-ing perfect
I can have validated you can have validated he can have validated we can have validated you can have validated they can have validated	I can have been validating you can have been validating he can have been validating we can have been validating you can have been validating they can have been validating

Negation

Simple form	V-ing form
I can't validate you can't validate he can't validate we can't validate you can't validate they can't validate	I can't be validating you can't be validating he can't be validating we can't be validating you can't be validating they can't be validating
Perfect	V-ing perfect
I can't have validated you can't have validated he can't have validated we can't have validated you can't have validated they can't have validated	I can't have been validating you can't have been validating he can't have been validating we can't have been validating you can't have been validating they can't have been validating

Interrogative form

Simple form	V-ing form
can I validate? can you validate? can he validate? can we validate? can you validate? can they validate?	can I be validating? can you be validating? can he be validating? can we be validating? can you be validating? can they be validating?
Perfect	V-ing perfect
can I have validated? can you have validated? can he have validated? can we have validated? can you have validated? can they have validated?	can I have been validating? can you have been validating? can he have been validating? can we have been validating? can you have been validating? can they have been validating?

Interro-negative form

Simple form	V-ing form
can't I validate? can't you validate? can't he validate? can't we validate? can't you validate? can't they validate?	can't I be validating? can't you be validating? can't he be validating? can't we be validating? can't you be validating? can't they be validating?
Perfect	V-ing perfect
can't I have validated? can't you have validated? can't he have validated? can't we have validated? can't you have validated? can't they have validated?	can't I have been validating? can't you have been validating? can't he have been validating? can't we have been validating? can't you have been validating? can't they have been validating?